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United States Patent | 5,200,883 |
Kobayashi | April 6, 1993 |
A compact electronic apparatus includes a housing substantially in the form of a rectangular prism. The top face of the housing includes a substantially rectangular front half portion on which a keyboard unit is mounted and a substantially rectangular rear half portion continuous with the rear face. The housing includes a pair of receiving recess openings to the rear half portion of the top surface and the rear surface. A battery pack and an optional component each having substantially the same shape as their respective recess, are each removably fitted in their receiving recess. The battery pack and optional component each have an outer surface which is exposed to the outside and constitutes part of the rear face of the housing and part of the rear half portion of the top face when the battery pack optional component are fitted in their respective receiving recess.
Inventors: | Kobayashi; Takaichi (Itsukaichi, JP) |
Assignee: | Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Appl. No.: | 899135 |
Filed: | June 16, 1992 |
Jun 23, 1989[JP] | 1-162216 | |
Jun 23, 1989[JP] | 1-162219 | |
Jun 23, 1989[JP] | 1-162221 |
Current U.S. Class: | 361/683; 292/228; 361/681 |
Intern'l Class: | H05K 007/12; E05C 003/14; G06F 001/16 |
Field of Search: | 429/96,97,98,99,100 292/226,228,DIG. 31,DIG. 38 206/1.5 361/380,391,392,393,394,395,399,412,415,429 220/324,326,329,346 364/708 |
3709538 | Jan., 1973 | Seitz et al. | 292/DIG. |
4191917 | Mar., 1980 | Brown et al. | 429/97. |
4392503 | Jul., 1983 | Watanabe | 206/1. |
4571456 | Feb., 1986 | Paulsen et al. | |
4680674 | Jul., 1987 | Moore | 361/395. |
4742478 | May., 1988 | Nigro, Jr. et al. | |
4903222 | Feb., 1990 | Carter et al. | 364/708. |
4942356 | Jul., 1990 | Ellingen et al. | 361/392. |
5015546 | May., 1991 | Dulaney et al. | 429/99. |
Foreign Patent Documents | |||
0254889 | Feb., 1988 | EP. | |
1128896 | May., 1962 | DE | 429/98. |
2085219 | Apr., 1982 | GB | 429/123. |
2128783 | May., 1984 | GB. |
Toshiba T1600 Portable Personal Computer User's Manual (Sep. 1988), pp. i, 2-1 to 2-7, 4-20 to 4-25. Published Unexamined Japanese Utility Model Application No. 64-54369 (Japanese language, no translation available), Apr., 1989. |